Lenovo ThinkPad T15g Gen 2 (20YS) vs. Lenovo ThinkPad L15 Gen 3 (21C3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad T15g Gen 2 (20YS) and Lenovo ThinkPad L15 Gen 3 (21C3). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo ThinkPad T15g Gen 2 (20YS) Review

Advantages and disadvantages of Lenovo ThinkPad T15g Gen 2 (20YS) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful professional graphics

robust build quality

high-resolution display

advanced cooling system

expandable memory options

heavier than competitors

expensive base model

average battery life

limited color accuracy

Lenovo ThinkPad L15 Gen 3 (21C3) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

reliable performance

decent connectivity options

mediocre display quality

heavier design

limited graphics performance

higher price point

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T15g Gen 2 (20YS) and Lenovo ThinkPad L15 Gen 3 (21C3)
85 % - Design
85 % - Display
86 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T15g Gen 2 (20YS) vs. Lenovo ThinkPad L15 Gen 3 (21C3) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 37.54 cm x 25.23 cm x 3.145 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 2.87 kg 1.76 kg
Case Material Glass-fibre, polyphenylene sulfide, polyamide Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Black Thunder black
DISPLAY Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Screen Size (Type) 15.6" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 3840 x 2160 (Ultra HD 4K) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 600 cd/m² 250 cd/m²
Colour Gamut 100% Adobe RGB 45% NTSC
Features Anti-glare, HDR 400 compatible, 170° viewing angle, Dolby Vision Anti-glare, 170° viewing angle
PROCESSOR Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
CPU Intel Core i7 (11th Gen) 11800H / 2.3 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.6 GHz 4.4 GHz
Number of Cores 8-core 10-core
Cache 24 MB 12 MB
Chipset Intel WM590 -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
RAM 32 GB (2 x 16 GB) 8 GB (2 x 4 GB)
Max RAM Supported 128 GB 64 GB
RAM Type DDR4 SDRAM - non-ECC DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 4 2
Empty Slots 2 0
STORAGE Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 2280 PCIe 4.0 - TCG Opal Encryption 2, NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
RAID Level RAID 0, RAID 1 -
AUDIO & VIDEO Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3070 / Intel UHD Graphics Intel Iris Xe Graphics
Max Monitors Supported 4 external monitor(s) 3 external monitor(s)
Video Memory 8 GB GDDR6 SDRAM -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, IR camera, Windows Hello, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3306 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio, Dolby Voice
COMMUNICATIONS Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Intel Wi-Fi 6E AX 210 Intel Wi-Fi 6 AX 201 - M.2 Card
Network Interface 2.5 Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Intel I225-V -
Features Wake-on-LAN (WOL), dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 94 Wh 57 Wh
Battery Life Up to 11 hours -
AC ADAPTER Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 230 Watt 65 Watt
INPUT Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Slots 3 x M.2 Card (2 free) -
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
LAN
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
HDMI
LAN
Memory Card Reader Yes (SD Card) Yes (microSD)
SOFTWARE Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English
MISCELLANEOUS Lenovo ThinkPad T15g Gen 2 (20YS) Lenovo ThinkPad L15 Gen 3 (21C3)
Included Accessories Power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards RoHS, TCG Certified RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Gold EPEAT Gold
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
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